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Big things are happening at Ogier. Change is embedded in everything we do. It is redefining our talent, our ways of working, our platforms of delivery, our culture.



We have the expertise to handle the most demanding transactions. Our commercial understanding and experience of working with leading financial institutions, professional advisers and regulatory bodies means we add real value to clients’ businesses.

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Our sector approach relies on smart collaboration between teams who have a deep understanding of related businesses and industry dynamics. The specific combination of our highly informed experts helps our clients to see around corners.

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Ogier provides practical advice on BVI, Cayman Islands, Guernsey, Irish, Jersey and Luxembourg law through our global network of offices across the Asian, Caribbean and European timezones. Ogier is the only firm to advise on this unique combination of laws.

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About us

We get straight to the point, managing complexity to get to the essentials. Our global network of offices covers every time zone. 

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Headshot Katy Longan

Katy Longan

Senior Associate


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Katy is a senior associate in the Dispute Resolution team in Guernsey. She specialises in commercial litigation, contentious trusts, enforcement of judgments and regulatory matters. She regularly advises in relation to high-value multi-jurisdictional disputes.

Background and experience

Katy was called to the English Bar in 2005 where she practised for many years before returning to Guernsey, her childhood home. Katy is a consummate trial lawyer and has a wealth of advocacy experience spanning nearly two decades, including in the Court of Appeal. Katy brings this tactical knowledge and forensic attention to detail to all matters on which she is instructed.


Admitted in:
2005 - England and Wales


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"She makes it her business not just to understand the dispute in question but also its wider context. She goes the extra mile."

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"Katy not only works all hours but uses her wider experience and skills to position the case in the best possible way with the court and even the opposition."

Client feedback


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